A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.
NSN 5990-01-149-9228
NSN 2925-01-426-3410
NSN 5998-01-054-3344
NSN 5910-01-321-7170
NSN 5930-00-148-9247
NSN 6650-01-437-6805
NSN 6240-00-044-8836
NSN 5985-00-493-6652
NSN 5945-00-923-4291
NSN 5999-01-253-9169
NSN 6145-00-141-8095
NSN 5999-01-612-4722